"We're looking at potentially 400 on-farm anaerobic digesters by 2030," Gas Networks Ireland (GNI)'s Ian Kilgallon told a meeting of the Guild of Agricultural Journalists on Friday. He sees a market for another 50 larger industrial plants as well.

GNI operates the gas transportation network throughout the country and is planning to distribute 20% of renewable gas in 2030. The utility is beginning construction of a network of 14 injection points where collection trucks will deliver gas derived from the fermentation of organic material – much of it from farms. "Collecting biomethane from farms is much like your creamery operation," said Kilgallon, who is in charge of developing renewable gas for GNI.